100221011222200 has 48 divisors (see below), whose sum is σ = 254196928469160. Its totient is φ = 36444004080000.

The previous prime is 100221011222131. The next prime is 100221011222201. The reversal of 100221011222200 is 2222110122001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100221011222201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22777500351 + ... + 22777504750.

Almost surely, 2^{100221011222200} is an apocalyptic number.

100221011222200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100221011222200 is an abundant number, since it is smaller than the sum of its proper divisors (153975917246960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100221011222200 is a wasteful number, since it uses less digits than its factorization.

100221011222200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45555005128 (or 45555005119 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 100221011222200 its reverse (2222110122001), we get a palindrome (102443121344201).

The spelling of 100221011222200 in words is "one hundred trillion, two hundred twenty-one billion, eleven million, two hundred twenty-two thousand, two hundred".